Pith Number

pith:SUU4KA5R

pith:2026:SUU4KA5RMEW6FWFVUN3RYO5GHY

not attested not anchored not stored refs pending

Traveling Salesman Problem with a preprocessing method for classical and quantum optimization

Alessia Ciacco, Francesca Guerriero, Luigi Di Puglia Pugliese

arxiv:2603.23290 v2 · 2026-03-24 · quant-ph · cs.CE · math.CO

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\usepackage{pith}
\pithnumber{SUU4KA5RMEW6FWFVUN3RYO5GHY}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Cutting-plane methodology via quantum optimization for solving the Traveling Salesman Problem

Receipt and verification

First computed	2026-05-28T01:05:12.210051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9529c503b1612de2d8b5a3771c3ba63e21efc03fea474fd163551ad92e094016

Aliases

arxiv: 2603.23290 · arxiv_version: 2603.23290v2 · doi: 10.48550/arxiv.2603.23290 · pith_short_12: SUU4KA5RMEW6 · pith_short_16: SUU4KA5RMEW6FWFV · pith_short_8: SUU4KA5R

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SUU4KA5RMEW6FWFVUN3RYO5GHY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9529c503b1612de2d8b5a3771c3ba63e21efc03fea474fd163551ad92e094016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f83988758de1c11b8e8aca122e4ffc02be6fa0d3f4ad6d84d1e58ef867226de4",
    "cross_cats_sorted": [
      "cs.CE",
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-03-24T14:54:14Z",
    "title_canon_sha256": "3a01aa44b63d8a7ed858547c833390332e152785062146535912f33ccf795a2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.23290",
    "kind": "arxiv",
    "version": 2
  }
}